Research Letter
On the Appearance of a Cooper Minimum in the Photoionization Cross Sections of the Plasma-Embedded Li Atom
Table 1
Ground state energy ( in a.u.) and photoelectron energy (ε in a.u.) at Cooper minimum of Li and Na for different Debye screening length (a.u.).
| Li | Na | | | | | | |
| 2.0 | — | No bound state | 2.0 | — | No bound state | 3.0 | 0.101097 | −0.013282 | 3.0 | 0.295830 | −0.006226 | 4.0 | 0.079121 | −0.036019 | 4.0 | 0.235561 | −0.025245 | 5.0 | 0.059276 | −0.056043 | 5.0 | 0.204692 | −0. 043900 | 6.0 | 0.042996 | −0.072380 | 6.0 | 0.183378 | −0.059747 | 7.0 | 0.029767 | −0.085633 | 7.0 | 0.167208 | −0.072873 | 8.0 | 0.018962 | −0.096491 | 8.0 | 0.154713 | −0.083763 | 9.0 | 0.009959 | −0.105505 | 9.0 | 0.144056 | −0.092881 | 10.0 | 0.002425 | −0.113089 | 10.0 | 0.135604 | −0.100596 | 11.0 | No Min. | −0.119547 | 20.0 | 0.093342 | −0.140253 | 20.0 | No Min. | −0.178471 | 50.0 | 0.064678 | −0.168256 | 100.0 | No Min. | −0.188122 | 100.0 | 0.054388 | −0.178355 | 200.0 | No Min. | −0.193084 | 200.0 | 0.049244 | −0.183555 | | No Min. | −0.198141 | | 0.044099 | −0.188857 |
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